3b+4b=8-2b

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Solution for 3b+4b=8-2b equation: 



3b+4b=8-2b

We move all terms to the left:

3b+4b-(8-2b)=0

We add all the numbers together, and all the variables

3b+4b-(-2b+8)=0

We add all the numbers together, and all the variables

7b-(-2b+8)=0

We get rid of parentheses

7b+2b-8=0

We add all the numbers together, and all the variables

9b-8=0

We move all terms containing b to the left, all other terms to the right

9b=8

b=8/9

b=8/9

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